CN102579054A - Waterproof shell and oximeter - Google Patents
Waterproof shell and oximeter Download PDFInfo
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- CN102579054A CN102579054A CN2012100574045A CN201210057404A CN102579054A CN 102579054 A CN102579054 A CN 102579054A CN 2012100574045 A CN2012100574045 A CN 2012100574045A CN 201210057404 A CN201210057404 A CN 201210057404A CN 102579054 A CN102579054 A CN 102579054A
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Abstract
The invention provides a waterproof shell and an oximeter. The waterproof shell comprises a shell with a through hole, the through hole is covered by a cover plate, the cover plate is fastened with the shell, opposite surfaces of the cover plate and the shell are a cover plate fastening surface and a shell fastening surface respectively, a boss is disposed on the shell fastening surface, a cover plate recess is arranged on the cover plate fastening surface, is opposite to the boss and matches with the boss, a sealing ring is arranged between opposite surfaces of the cover plate recess and the boss, and a gap between the opposite surfaces of the cover plate recess and the boss is sealed via the sealing ring. By the aid of the boss and the cover plate recess, the shell fastening surface and the cover plate fastening surface are mutually staggered and gripped, and accordingly a water path extending to the inside of the shell is elongated. Besides, the sealing ring is arranged between the boss and the cover plate recess, so that sealing between the shell and the cover plate is kept excellently, and further the waterproof shell is used conveniently.
Description
Technical field
The present invention relates to a kind of waterproof case and blood oxygen measuring device.
Background technology
Oxygen content in the blood is judged the important parameter of physical condition.The raising of Along with people's quality of life, the periodic measurement blood oxygen saturation has become people's custom.
Blood oxygen measuring device is a common instrument of measuring blood oxygen saturation in the blood, and it not only can measure blood oxygen saturation, but also can measure the pulse of human body, therefore favored by market.Especially in recent years, the appearance of portable blood oxygen measuring device makes the gauger no longer need go fixed-site measurement blood oxygen saturations such as hospital, but in the own home, can measure blood oxygen saturation.
Typical blood oxygen measuring device comprises a plurality of housings, and the light emitting devices, optical pickup apparatus and the battery that are used to measure human pulse and blood oxygen saturation are arranged in the housing.In use; The seam that water is easy to from the housing gets in the housing; Influence the certainty of measurement of blood oxygen measuring device, even damage blood oxygen measuring device, be prone in the entering of the slit between two housings housing or from the slit between battery compartment lid and the housing, get in the housing like the water capacity.Importantly; Owing to need often open the battery compartment lid to change battery; Make the sealing between battery compartment lid and the housing be different from the sealing of other position of housing; It not only requires to have good sealing property, and requires convenient the use, and this makes the blood oxygen measuring device with water-proof function to emerge.
Summary of the invention
For addressing the above problem, the present invention provides a kind of waterproof case, and the through hole that is arranged on the housing is blocked by cover plate, can keep good sealing between cover plate and the housing, and can be easily with cover plate and housing seal.
In addition, the present invention also provides a kind of blood oxygen measuring device, and it not only can make between housing and the battery compartment lid and keep good sealing, and can be easily with battery compartment lid and housing seal.
The technical scheme that is adopted that solves the problems of the technologies described above provides a kind of waterproof case; Comprise the housing that which is provided with through hole, said through hole is hidden by the cover plate that snaps together with said housing, and the opposite face of said cover plate and said housing is respectively cover plate buckling surface and housing buckling surface; Be provided with boss at said housing buckling surface; Accordingly, the position relative with said boss at said cover plate buckling surface is provided with the cover plate recess, said cover plate recess and said boss coupling;
Between the opposite face of said cover plate recess and said boss, be provided with sealing ring, said sealing ring is with the gap sealing between the opposite face of said cover plate recess and said boss.
Preferably, be provided with fin on the surface of said boss, when said cover plate and said housing fastening, said sealing ring takes the lead in and said fin pushes.
Preferably, be provided with groove on the surface of cover plate recess, said sealing ring is fixed in the said groove.
Preferably, said boss is near the periphery setting of said through hole, and said housing buckling surface is the inclined plane, and high more the closer to the said housing buckling surface of the periphery of said through hole; Accordingly, said cover plate buckling surface is the inclined plane, and, high more the closer to the said cover plate buckling surface of the periphery of said through hole.
The present invention also provides a kind of blood oxygen measuring device; Comprise housing, finger cavity volume, detecting unit and be arranged on the intravital battery compartment of said shell; On said housing, be provided with first through hole as said battery compartment inlet, the battery compartment lid that snaps together with said housing hides said first through hole, and the marginal position of the opposite face of said battery compartment lid and said housing is respectively battery compartment lid buckling surface and housing buckling surface; On said housing buckling surface, be provided with boss; Accordingly, the said battery compartment lid buckling surface position relative with said boss is provided with the cover plate recess, said cover plate recess and said boss coupling;
Between the opposite face of said cover plate recess and said boss, be provided with first sealing ring, said first sealing ring is with the gap sealing between said cover plate recess and the said boss.
Preferably, be provided with fin on the surface of said boss, when said battery compartment lid and said housing fastening, said first sealing ring takes the lead in and said fin pushes.
Preferably, be provided with groove on the surface of cover plate recess, said first sealing ring is fixed in the said groove.
Preferably, said boss is arranged on the peripheral position near said first through hole, and said housing buckling surface is the inclined plane, and high more the closer to the said housing buckling surface of the periphery of said first through hole, and said boss is near the periphery setting of said first through hole; Accordingly, said cover plate buckling surface is the inclined plane, and, high more the closer to the said cover plate buckling surface of the periphery of said first through hole.
Preferably, said housing comprises upper shell, middle shell and the lower house that connects successively, and said battery compartment is arranged in the said upper shell, and said first through hole is arranged on said upper shell accordingly;
Two ends at said cover plate are respectively equipped with a junction; The inboard of each said connecting portion is equipped with a protruding axle; Accordingly; In the both sides of said upper shell and the front side that is positioned at said first through hole be respectively equipped with the axis hole that cooperates with said protruding axle, by said axis hole and said protruding axle that said battery compartment lid and said upper shell is hinged.
Preferably, between said axis hole and said first through hole, be provided with guiding gutter at said upper shell, said guiding gutter laterally runs through said upper shell.
Preferably; Said upper shell and said middle shell link together through securing member; Periphery at the opposite face of said upper shell and said middle shell is respectively upper shell crimping face and middle shell crimping face; Between said upper shell crimping face and said middle shell crimping face, be provided with the 4th sealing ring, in case the solution stopping body gets in the said housing from said upper shell crimping face and said middle shell crimping face.
Preferably, be provided with clamping part at said housing buckling surface away from said axis hole one side, the bottom of said clamping part is provided with draw-in groove,
Be provided with the grab that matches with said draw-in groove at said cover plate buckling surface and the position relative, make said cover plate and said upper shell keep buckling state by said draw-in groove and said grab with said draw-in groove.
Preferably; Be provided with the cover plate locating slot on the surface of said clamping part; Be provided with the battery compartment lid reference column that cooperates with said cover plate locating slot in said battery compartment lid buckling surface and the relative position of said cover plate locating slot; When said battery compartment lid and said housing fastening, said battery compartment lid is snapped together exactly with said upper shell by said cover plate locating slot and said battery compartment lid reference column.
Preferably; Said detecting unit comprises luminous tube, photo-detector, data processing unit, start button and display screen; Said display screen and said start button are arranged in the said upper shell; Said photo-detector and said data processing unit are arranged in the said middle shell, and said photo-detector is connected with said data processing unit; Said luminous tube is arranged in the said lower house, and with said photo-detector that the position is set is relative;
Said upper shell also is provided with second through hole and third through-hole; Periphery at said second through hole is provided with the brace table towards the inboard protrusion of said second through hole; Being used to protect the over cap of said display screen to be embedded in said second through hole and by said brace table supports; Between said over cap and said brace table, be provided with second sealing ring, get in the said upper shell from said second through hole to prevent water;
Said start button is connected with said data processing unit; Said start button is outside said third through-hole stretches out said upper shell; Between the lower surface of the shoulder of said start button and said upper shell, be provided with the 3rd sealing ring, get in the said upper shell from said third through-hole to prevent water.
Preferably; Be provided with fourth hole at said middle shell and the relative position of said finger cavity volume; The photosensitive-member of said photo-detector is relative with said fourth hole, and said fourth hole seals with light-transmissive film, in case the solution stopping body gets in the said middle shell from said fourth hole.
Preferably, be provided with luminous tube seat in the bottom of said lower house, said luminous tube is arranged in the said luminous tube seat, and the opening of said luminous tube seat is sealed by transparent resin.
Preferably, the inner surface that covers at said battery compartment is provided with the extruding frame, and said extruding frame applies downward extruding force to the battery that is arranged in the said battery compartment.
The present invention has following beneficial effect:
Waterproof case provided by the invention can make housing buckling surface and cover plate buckling surface interlaced, engaged by protuberance and cover plate recess, has increased the contact area of battery compartment lid buckling surface and housing buckling surface, has prolonged the path of water entering enclosure interior; And sealing ring is arranged between protuberance and the cover plate recess, can improve the sealing of housing and cover plate, and the seal operation that makes things convenient for housing and battery compartment lid.
Similarly, blood oxygen measuring device provided by the invention can make housing buckling surface and battery compartment lid buckling surface interlaced, engaged by protuberance and cover plate recess, has increased the contact area of buckling surface, gets into the path of enclosure interior thereby prolonged water; And first sealing ring is arranged between protuberance and the cover plate recess, can improve the sealing of housing and cover plate, and the seal operation of being convenient to housing and battery compartment lid.
As a preferred embodiment of the present invention; Be provided with fin in boss surface, when battery compartment lid and housing fastening, sealing ring takes the lead in and fin pushes; Can further improve the sealing of battery compartment inlet by fin, thereby improve the water proofing property of blood oxygen measuring device.
Description of drawings
Fig. 1 is the structure diagram of first embodiment of the invention blood oxygen measuring device;
Fig. 2 is the exploded view of first embodiment of the invention blood oxygen measuring device;
Fig. 3 is the rearview of first embodiment of the invention blood oxygen measuring device;
Fig. 4 is the view in transverse section of first embodiment of the invention blood oxygen measuring device;
Fig. 5 is the upward view of first embodiment of the invention blood oxygen measuring device;
Fig. 6 is the parts transversely sectional view of first embodiment of the invention blood oxygen measuring device;
Fig. 7 is the structure diagram of second embodiment of the invention blood oxygen measuring device.
The specific embodiment
For making those skilled in the art understand technical scheme of the present invention better, waterproof case provided by the invention and blood oxygen measuring device are described in detail below in conjunction with accompanying drawing.
Fig. 1 is the structure diagram of embodiment of the invention blood oxygen measuring device.See also Fig. 1; Blood oxygen measuring device comprises housing, finger cavity volume 14 and is arranged on the intravital detecting unit of shell; Wherein, housing comprises upper shell 11, middle shell 12 and lower house 13, and upper shell 11, middle shell 12 and lower house 13 are connected from top to bottom successively; Finger cavity volume 14 is formed between the opposite face of middle shell 12 and lower house 13, and promptly the upper surface of the lower surface of middle shell 12 and lower house 13 surrounds finger cavity volume 14.
Detecting unit comprises luminous tube (not shown), photo-detector 27, data processing unit, battery 20 and display screen 16; Wherein, Battery 20 and display screen 16 are arranged in the upper shell 11; Photo-detector 27 is arranged in the middle shell 12 with data processing unit, and photo-detector 27 is connected with data processing unit, and luminous tube is arranged in the lower house 13.
The detection principle of detecting unit is identical with prior art, repeats no more here.Only simply reduce the testing process of detecting unit at this, particularly, battery 20 provides electric energy for luminous tube, photo-detector 27, data processing unit and display screen 16.Luminous tube sends detection light; Photo-detector 27 receives and detects light; And the detection light that will receive is sent to data processing unit, and data processing unit obtains detected values such as blood oxygen saturation and/or beat pulse number of times according to the detection light that receives, and this detected value is sent to display screen 16; Show detected values by display screen 16, user through display screen 16 obtain the detected value that will detect.
For ease of describing, in the present embodiment, the front end of finger cot type blood oxygen measuring device (front side) refers to point insertion mouth one end of cavity volume 13, and the other end on the other side is the rear end (rear side) of finger cot type blood oxygen measuring device.See to the back-end that from front end the left-hand side is the left side of finger cot type blood oxygen measuring device, right-hand side is the right side of finger cot type blood oxygen measuring device.The line of the front-end and back-end of finger cot type blood oxygen measuring device is the vertical of finger cot type blood oxygen measuring device, and the left side of finger cot type blood oxygen measuring device and right side line are the horizontal of finger cot type blood oxygen measuring device.Upper shell 11 is the top of finger cot type blood oxygen measuring device, and lower house 13 is the below of finger cot type blood oxygen measuring device.
Fig. 2 is the exploded view of embodiment of the invention blood oxygen measuring device.See also Fig. 2, on upper shell 11, be provided with three through holes, be respectively the first through hole 21a, the second through hole 21b and third through-hole 21c to front end by the rear end.The battery compartment of placement battery 20 is arranged in the upper shell 11 and is positioned at the first through hole 21a position, and the first through hole 21a enters the mouth as battery compartment.Battery compartment lid 23 snaps together with upper shell 11, and the first through hole 21a is hidden.
Fig. 3 is the rearview of embodiment of the invention blood oxygen measuring device.Please consult Fig. 2 and Fig. 3 in the lump; The marginal position of the opposite face of battery compartment lid 23 and upper shell 11 is respectively battery compartment lid buckling surface 51 and housing buckling surface 52; The marginal position that is the lower surface of battery compartment lid 23 is a battery compartment lid buckling surface 51, the upper surface of upper shell 11 and be housing buckling surface 52 near the marginal position of the first through hole 21a.
On housing buckling surface 52, be provided with boss 53; Boss 53 forms closed ring around the edge of the first through hole 21a; On battery compartment lid buckling surface 51, be provided with the cover plate recess 54 that is complementary with boss 53, boss 53 is relative with the position of cover plate recess 54, and the width of the width of cover plate recess 54 and boss 53 about equally; Boss 53 makes that with cover plate recess 54 battery compartment lid buckling surface 51 is interlaced with housing buckling surface 52; Engaged, cover the contact area of buckling surface 51 and housing buckling surface 52 thereby increased battery compartment, and then can prolong the path that water gets into enclosure interior.
Between the opposite face of cover plate recess 54 and boss 53, be provided with the first sealing ring 18a; When battery compartment lid 23 fastens with upper shell 11; The first sealing ring 18a is crimped between boss 53 and the cover plate recess 54; Thereby battery compartment is covered the gap sealing between buckling surface 51 and the housing buckling surface 52, thereby avoid liquid such as water or dust to get in the housing.
In the present embodiment, the first sealing ring 18a adopts elastomeric material to process, like silica gel etc.The first sealing ring 18a is fixed on the surface of cover plate recess 54 or the surface of boss 53 through bonding mode, perhaps before fastening battery compartment lid 23, at first the first sealing ring 18a is placed on the boss 53, and then fastens battery compartment lid 23.In actual application, preferably the first sealing ring 18a is fixed on cover plate recess 54.
Preferably, further be provided with groove 57, the first sealing ring 18a at cover plate recess 54 and be fixed in the groove 57, groove 57 helps the accurate location of the first sealing ring 18a, makes it relative with boss 53.
Boss 53 is arranged on the edge of housing buckling surface 52 near the first through hole 21a, and housing buckling surface 52 is the inclined plane, and high more the closer to the periphery housing buckling surface 52 of the first through hole 21a; Boss 53 is near the periphery setting of the first through hole 21a, and accordingly, the cover plate buckling surface is the inclined plane; And, high more the closer to the periphery cover plate buckling surface of the first through hole 21a, can reduce the water that remains on the housing buckling surface 52 like this; Thereby can improve Oximetry, the water proofing property of appearance.
In the present embodiment; Housing buckling surface 52 near its outside part by after downward-sloping gradually forward; Promptly by the rear end of housing front end to housing; Housing buckling surface 52 increases near the difference in height between the upper surface of surface and the boss 53 of the part in its outside gradually, can reduce the water that remains on the housing buckling surface 52 like this, thereby can improve the water proofing property of blood oxygen measuring device.Certainly, housing buckling surface 52 near the part in its outside also can by preceding to after tilt gradually, can reduce the water that remains on the housing buckling surface 52 equally.
Be understood that; When housing buckling surface 52 tilts after by forward direction near the surface of part in its outside gradually; Make it tilt to reduce the water that remains on the housing buckling surface 52 better gradually from inside to outside, thereby can improve the water proofing property of blood oxygen measuring device well.
In the present embodiment, can also be provided with fin 56 at the upper surface of boss 53, the width of fin 56 is less than the width of boss 53.When battery compartment lid 23 fastened with upper shell 11, the first sealing ring 18a took the lead in and fin 56 pushes, and the extruding force of the first sealing ring 18a and fin 56 is greater than the extruding force of the first sealing ring 18a and boss 53.Fin 56 can seal the first through hole 21a more closely, thereby improves the sealing of battery compartment 21, and then further improves the water proofing property of blood oxygen measuring device.Preferably, the width of fin 56 so not only can reduce the required material of housing less than the width of the first sealing ring 18a, reduces the blood oxygen measuring device manufacturing cost; And fin 56 is more easily pushed with the first sealing ring 18a, reach the purpose that seals the first through hole 21a better.
Need to prove; When the upper surface of boss 53 was not provided with fin 56, with the battery compartment inlet seal, the first sealing ring 18a preferably was arranged near the inner peripheral of cover plate recess 54 or outer peripheral edges one side for more effectively; Like this; When battery compartment lid 23 fastened with upper shell 11, the first sealing ring 18a was easy to receive the extruding of boss 53 and cover plate recess 54 and is out of shape, thereby reached the purpose of sealed cell storehouse inlet.
In the present embodiment; Battery compartment lid 23 is hinged with upper shell 11; Particularly: the two ends at battery compartment lid 23 are respectively equipped with a junction 60, are provided with a protruding axle 61 in the inboard of each connecting portion 60, accordingly; Be respectively equipped with the axis hole 62 that cooperates with protruding axle 61 in the left and right sides of upper shell 11 and at the front end of the first through hole 21a, by axis hole 62 and protruding axle 61 that battery compartment lid 23 and upper shell 11 is hinged.Certainly, battery compartment lid 23 also can adopt other connected mode with upper shell 11.
Be provided with clamping part 63 at housing buckling surface 52 and away from axis hole 62 1 sides, promptly clamping part 63 is relative with axis hole 62, and in other words, clamping part 63 is arranged on the rear end of upper shell 11.Be provided with draw-in groove 64 in the bottom of clamping part 63, be provided with the grab 65 that matches with draw-in groove 64, make battery compartment lid 23 and upper shell 11 keep buckling state by draw-in groove 64 and grab 65 at battery compartment lid buckling surface 51 and with draw-in groove 64 relative positions.
In addition, what on battery compartment lid 23, be provided with unlatching battery compartment lid 23 releases the button 24, and downward press-started button 24 can promote grab 65 and make it break away from draw-in groove 64, thereby battery hatch 23 is opened.
Need to prove that in the present embodiment, clamping part 63 also can be arranged on the left side or the right side of upper shell 11, certainly, also can on the left side and the right side of upper shell 11 clamping part be set respectively simultaneously.
In the present embodiment; Top at clamping part 63 also is provided with cover plate locating slot 66; On battery compartment lid buckling surface 51, be provided with the battery compartment lid reference column 67 that matches with cover plate locating slot 66 with cover plate locating slot 66 relative positions, cover plate locating slot 66 and battery compartment lid reference column 67 can cover 23 at battery compartment makes battery compartment lid 23 snap together exactly with upper shell 11 when fastening with upper shell 11.In addition, cover plate locating slot 66 can be provided with a plurality of with battery compartment lid reference column 67 accordingly.
Inner surface at battery compartment lid 23 is provided with extruding frame 70, and extruding frame 70 can apply downward extruding force to the battery 20 that is arranged in the battery compartment, thereby battery 20 is securely fixed in the battery compartment.
In the present embodiment; Preferably between the axis hole 62 and the first through hole 21a, also be provided with guiding gutter 58 at upper shell 11; Guiding gutter 58 be shaped as " V " shape; Its water that helps battery compartment to be covered 23 upper surfaces and upper shell 11 upper surfaces is led away, especially covered 23 o'clock opening battery compartment, the water that battery compartment covers 23 upper surfaces with low between the axis hole 62 and the first through hole 21a; Guiding gutter 58 both can reduce even avoid water to splash into battery compartment, and helped the water that is dropped in upper shell 11 surfaces is led away.In addition, the shape of guiding gutter 58 is not limited to " V " shape, and the shape of guiding gutter 58 also can make other shapes such as " U " shape.
See also Fig. 2, display screen 16 is fixed on the circuit board 26 of data processing unit, and relative with the position of second through hole.Inner peripheral at the second through hole 21b is provided with the brace table towards the inboard protrusion of the second through hole 21b, is used to protect the over cap 17 of display screen 16 to be embedded in the second through hole 21b, and is supported by brace table.Between brace table and over cap 17, be provided with the second sealing ring 18b, get in the upper shell 11 from the second through hole 21b to prevent water or dust.
In the present embodiment; The start button 25 that is used to start blood oxygen measuring device is fixed on the circuit board 26 of data processing unit; Start button 25 is outside third through-hole 21c stretches out upper shell 11; Between the lower surface of the shoulder of start button 25 and upper shell 11, be provided with the 3rd sealing ring 18c, get in the upper shell 11 from third through-hole 18c to prevent water or dust.
In the present embodiment, upper shell 11 is to link together through securing members such as screw or bolts with middle shell 12.The periphery of upper shell 11 and middle shell 12 opposite faces is respectively upper shell crimping face and middle shell crimping face; Between upper shell crimping face and middle shell crimping face, be provided with the 4th sealing ring, in case the solution stopping body gets in the said housing from the slit between upper shell crimping face and the middle shell crimping face.
In the present embodiment, the 4th sealing ring is replaced by lower house 13.Fig. 4 is the view in transverse section of embodiment of the invention blood oxygen measuring device.Please consult Fig. 2 and Fig. 4 in the lump, lower house 13 adopts silica gel material to process.The edge of lower house 13 is crimped between upper shell crimping face and the middle shell crimping face.
Fig. 5 is the upward view of embodiment of the invention blood oxygen measuring device.Please consult Fig. 2 and Fig. 5 in the lump, be provided with luminous tube seat 45 and metallic channel 46 in the bottom of lower house 13, wherein, luminous tube is arranged in the luminous tube seat 45, and the opening of luminous tube seat 45 seals with transparent resin, can prevent that like this luminous tube from damaging because of water inlet.Metallic channel 46 is for being arranged on the dark groove in the lower house 13, and the lead that is used to connect luminous tube and data processing unit is arranged in the metallic channel 46.An opening of metallic channel 46 is communicated with luminous tube seat 45, and when the opening of luminous tube seat 45 was sealed by transparent resin, the opening of the metallic channel 46 that is communicated with luminous tube seat 45 can be sealed; After lead being layed in the metallic channel 46, another opening of metallic channel 46 can be through hot sealing.
Fig. 6 is the parts transversely sectional view of first embodiment of the invention blood oxygen measuring device.Wherein, Fig. 6 is the cross section that passes photo-detector, and Fig. 4 is the cross section between photo-detector and battery compartment.Please consult Fig. 2 and Fig. 6 in the lump, photo-detector 27 is connected with data processing unit, is fixed on the below of the circuit board 26 of data processing unit through photo-detector 27.Be provided with the fourth hole (not shown) in middle shell 12 and finger cavity volume 14 relative positions, the photosensitive-member of photo-detector 27 is relative with the position of fourth hole, and the detection light that luminous tube sends passes fourth hole and received by the photosensitive-member of photo-detector 27.Fourth hole seals with light-transmissive film, so both can avoid water and dust to get into the inside of middle shell 12, can not influence testing result again.
Need to prove that in the present embodiment, battery compartment is arranged in the upper shell 11, but the present invention is not limited thereto, battery compartment also can be arranged in middle shell 12 or the lower house 13.
Fig. 7 is the structure diagram of second embodiment of the invention blood oxygen measuring device.See also Fig. 7, in a second embodiment, blood oxygen measuring device comprises upper shell 1, middle shell 12 and the lower house 13 that connects successively from top to bottom, and wherein, finger cavity volume 14 is arranged between middle shell 12 and the lower house 13.Battery compartment is arranged in the lower house 13, snaps together with lower house 13 at battery compartment lid 23, and the marginal position of the opposite face of battery compartment lid 23 and lower house 13 is respectively battery compartment lid buckling surface (not shown) and housing buckling surface (not shown).Battery compartment lid buckling surface and housing buckling surface are respectively equipped with boss and cover plate recess, between the opposite face of cover plate recess and boss, are provided with sealing ring, and sealing ring is with the gap sealing between the opposite face of cover plate recess and boss.The set-up mode of boss, cover plate recess and sealing ring is identical with first embodiment, repeats no more here.In addition, among second embodiment, on boss, also fin can be set, also groove can be set at the cover plate recess, the housing buckling surface also can be arranged to the inclined plane, and the characteristic of these structures is identical with first embodiment, is not described in detail here.
Also need to prove; The foregoing description has been introduced the architectural feature of blood oxygen measuring device in detail; Wherein, the hermetically-sealed construction between cover plate and the housing is equally applicable to the device such as other employing shell structures such as electrocardiogram equipments, and can reach the purpose of waterproof and dustproof.
The present invention provides a kind of waterproof case, can be used for blood oxygen measuring device or electrocardiogram equipment.Waterproof case comprises housing; Housing is provided with through hole, and through hole is hidden by cover plate, and cover plate and housing snap together; The opposite face of cover plate and housing is respectively cover plate buckling surface and housing buckling surface; Be provided with boss at the housing buckling surface, the position relative with boss at the cover plate buckling surface is provided with the cover plate recess, cover plate recess and boss coupling; Between the opposite face of cover plate recess and boss, be provided with sealing ring, sealing ring is the gap sealing between the opposite face of cover plate recess and boss, thereby makes cover plate and housing seal.
Not only can make housing buckling surface and cover plate buckling surface interlaced by protuberance and cover plate recess; Engaged; Thereby increase the contact area of battery compartment lid buckling surface and housing buckling surface, and then prolong the path that water gets into enclosure interior, this can improve the sealing of through hole; And the position that is provided with of sealing ring is limited between protuberance and the cover plate recess, not only can make the sealing of housing and cover plate keep good sealing, and handled easily.
Preferably, can also be provided with fin, when cover plate and housing fastening in boss surface; Sealing ring takes the lead in and fin pushes; Can further improve the sealing effectiveness between cover plate and the housing by fin, make the through hole on the housing keep good sealing, and then improve the water proofing property of housing.
More preferably, be provided with groove on the surface of cover plate recess, sealing ring is fixed in the groove, can sealing ring is fixing on the cover board by groove, so not only can sealing ring accurately be located, and make the sealing ring can be relative with fin exactly; And when cover plate and housing fastening, no longer consider the orientation problem of sealing ring, handled easily.
In the present embodiment, boss is near the periphery setting of through hole, and the housing buckling surface is the inclined plane, and high more the closer to the said housing buckling surface of the periphery of said through hole; Accordingly, the cover plate buckling surface is the inclined plane, and, high more the closer to the periphery cover plate buckling surface of through hole.
Housing buckling surface and cover plate buckling surface are set to the inclined plane, and high more the closer to the periphery of through hole, can reduce the water that remains on the housing buckling surface like this, thereby can improve the water proofing property of blood oxygen measuring device.
Present embodiment not only can make housing buckling surface and cover plate buckling surface interlaced, engaged by protuberance and cover plate recess, thereby increases the contact area of battery compartment lid buckling surface and housing buckling surface, and then prolongs the path of water entering enclosure interior; And the position that is provided with of sealing ring is arranged between protuberance and the cover plate recess, the sealing of being convenient to housing and cover plate keeps good sealing.
Be understood that the waterproof case that present embodiment provides not only can be used for blood oxygen measuring device, electrocardiogram equipment, also can be used for other shell structures.When especially on housing, being provided with the through hole that enters the mouth as battery compartment, adopt waterproof case provided by the invention not only can make through hole keep good sealing, and convenient the use.
It is understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For the one of ordinary skilled in the art, under the situation that does not break away from spirit of the present invention and essence, can make various modification and improvement, these modification also are regarded as protection scope of the present invention with improving.
Claims (17)
1. a waterproof case comprises the housing that which is provided with through hole, and said through hole is hidden by the cover plate that snaps together with said housing; The opposite face of said cover plate and said housing is respectively cover plate buckling surface and housing buckling surface; It is characterized in that, be provided with boss at said housing buckling surface, accordingly; The position relative with said boss at said cover plate buckling surface is provided with the cover plate recess, said cover plate recess and said boss coupling;
Between the opposite face of said cover plate recess and said boss, be provided with sealing ring, said sealing ring is with the gap sealing between the opposite face of said cover plate recess and said boss.
2. waterproof case according to claim 1 is characterized in that, is provided with fin on the surface of said boss, and when said cover plate and said housing fastening, said sealing ring takes the lead in and said fin pushes.
3. waterproof case according to claim 2 is characterized in that, is provided with groove on the surface of cover plate recess, and said sealing ring is fixed in the said groove.
4. waterproof case according to claim 1 is characterized in that, said boss is near the periphery setting of said through hole, and said housing buckling surface is the inclined plane, and high more the closer to the said housing buckling surface of the periphery of said through hole; Accordingly, said cover plate buckling surface is the inclined plane, and, high more the closer to the said cover plate buckling surface of the periphery of said through hole.
5. blood oxygen measuring device; Comprise housing, finger cavity volume, detecting unit and be arranged on the intravital battery compartment of said shell, on said housing, be provided with first through hole as said battery compartment inlet, the battery compartment lid that snaps together with said housing hides said first through hole; The marginal position of the opposite face of said battery compartment lid and said housing is respectively battery compartment lid buckling surface and housing buckling surface; It is characterized in that, on said housing buckling surface, be provided with boss, accordingly; The said battery compartment lid buckling surface position relative with said boss is provided with the cover plate recess, said cover plate recess and said boss coupling;
Between the opposite face of said cover plate recess and said boss, be provided with first sealing ring, said first sealing ring is with the gap sealing between said cover plate recess and the said boss.
6. blood oxygen measuring device according to claim 5 is characterized in that, is provided with fin on the surface of said boss, and when said battery compartment lid and said housing fastening, said first sealing ring takes the lead in and said fin pushes.
7. blood oxygen measuring device according to claim 5 is characterized in that, is provided with groove on the surface of cover plate recess, and said first sealing ring is fixed in the said groove.
8. blood oxygen measuring device according to claim 5; It is characterized in that; Said boss is arranged on the peripheral position near said first through hole; Said housing buckling surface is the inclined plane, and high more the closer to the said housing buckling surface of the periphery of said first through hole, and said boss is near the periphery setting of said first through hole; Accordingly, said cover plate buckling surface is the inclined plane, and, high more the closer to the said cover plate buckling surface of the periphery of said first through hole.
9. blood oxygen measuring device according to claim 5 is characterized in that, said housing comprises upper shell, middle shell and the lower house that connects successively, and said battery compartment is arranged in the said upper shell, and said first through hole is arranged on said upper shell accordingly;
Two ends at said cover plate are respectively equipped with a junction; The inboard of each said connecting portion is equipped with a protruding axle; Accordingly; In the both sides of said upper shell and the front side that is positioned at said first through hole be respectively equipped with the axis hole that cooperates with said protruding axle, by said axis hole and said protruding axle that said battery compartment lid and said upper shell is hinged.
10. blood oxygen measuring device according to claim 9 is characterized in that, between said axis hole and said first through hole, is provided with guiding gutter at said upper shell, and said guiding gutter laterally runs through said upper shell.
11. blood oxygen measuring device according to claim 9; It is characterized in that; Said upper shell and said middle shell link together through securing member; Periphery at the opposite face of said upper shell and said middle shell is respectively upper shell crimping face and middle shell crimping face, between said upper shell crimping face and said middle shell crimping face, is provided with the 4th sealing ring, in case the solution stopping body gets in the said housing from said upper shell crimping face and said middle shell crimping face.
12. blood oxygen measuring device according to claim 9 is characterized in that, is provided with clamping part at said housing buckling surface away from said axis hole one side, the bottom of said clamping part is provided with draw-in groove,
Be provided with the grab that matches with said draw-in groove at said cover plate buckling surface and the position relative, make said cover plate and said upper shell keep buckling state by said draw-in groove and said grab with said draw-in groove.
13. blood oxygen measuring device according to claim 12; It is characterized in that; Be provided with the cover plate locating slot on the surface of said clamping part; Be provided with the battery compartment lid reference column that cooperates with said cover plate locating slot at said battery compartment lid buckling surface and the relative position of said cover plate locating slot, when said battery compartment lid and said housing fastening, said battery compartment lid snapped together exactly with said upper shell by said cover plate locating slot and said battery compartment lid reference column.
14. blood oxygen measuring device according to claim 9; It is characterized in that; Said detecting unit comprises luminous tube, photo-detector, data processing unit, start button and display screen; Said display screen and said start button are arranged in the said upper shell, and said photo-detector and said data processing unit are arranged in the said middle shell, and said photo-detector is connected with said data processing unit; Said luminous tube is arranged in the said lower house, and with said photo-detector that the position is set is relative;
Said upper shell also is provided with second through hole and third through-hole; Periphery at said second through hole is provided with the brace table towards the inboard protrusion of said second through hole; Being used to protect the over cap of said display screen to be embedded in said second through hole and by said brace table supports; Between said over cap and said brace table, be provided with second sealing ring, get in the said upper shell from said second through hole to prevent water;
Said start button is connected with said data processing unit; Said start button is outside said third through-hole stretches out said upper shell; Between the lower surface of the shoulder of said start button and said upper shell, be provided with the 3rd sealing ring, get in the said upper shell from said third through-hole to prevent water.
15. blood oxygen measuring device according to claim 14; It is characterized in that; Be provided with fourth hole at said middle shell and the relative position of said finger cavity volume; The photosensitive-member of said photo-detector is relative with said fourth hole, and said fourth hole seals with light-transmissive film, in case the solution stopping body gets in the said middle shell from said fourth hole.
16. blood oxygen measuring device according to claim 14 is characterized in that, is provided with luminous tube seat in the bottom of said lower house, said luminous tube is arranged in the said luminous tube seat, and the opening of said luminous tube seat is sealed by transparent resin.
17. blood oxygen measuring device according to claim 5 is characterized in that, the inner surface that covers at said battery compartment is provided with the extruding frame, and said extruding frame applies downward extruding force to the battery that is arranged in the said battery compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210057404.5A CN102579054B (en) | 2012-03-06 | 2012-03-06 | Waterproof shell and oximeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210057404.5A CN102579054B (en) | 2012-03-06 | 2012-03-06 | Waterproof shell and oximeter |
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| Publication Number | Publication Date |
|---|---|
| CN102579054A true CN102579054A (en) | 2012-07-18 |
| CN102579054B CN102579054B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210057404.5A Active CN102579054B (en) | 2012-03-06 | 2012-03-06 | Waterproof shell and oximeter |
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| Country | Link |
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| CN105919572A (en) * | 2016-06-12 | 2016-09-07 | 王颖 | Maritime emergency arm-type electronic measuring instrument with integrated function of vital sign and blood oxygen measurement |
| CN108308170A (en) * | 2018-04-18 | 2018-07-24 | 奕东电子(常熟)有限公司 | The double-deck high-accuracy mobile phone ultrasonic mosquito dispeller |
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|---|---|
| CN102579054B (en) | 2014-07-16 |
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Address after: 100039 Beijing City, Haidian District Fuxing Road, No. 83 West floor three room 320 Applicant after: Beijing Ultra-thinking Electronic Technology Co., Ltd. Address before: 100039, Fuxing Road, Beijing, Haidian District, No. 36, B, 1127-1128 Applicant before: Beijing Chaosi Electronic Technology Co., Ltd. |
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Address after: 100143 Yuquanlu Road Haidian District, No. 1, layer 4, layer 4104, 12, Patentee after: Beijing Chaosi Electronic Technology Co., Ltd. Address before: 100039 Beijing City, Haidian District Fuxing Road, No. 83 West floor three room 320 Patentee before: Beijing Ultra-thinking Electronic Technology Co., Ltd. |
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Address after: Room 410-412, 2 / F, 3 / F, 4 / F, building 2, No.9, Shuangyuan Road, Shijingshan District, Beijing 100041 Patentee after: Beijing Chaos Electronic Technology Co., Ltd. Address before: 100143, Haidian District, Yuquanlu Road, No. 12, 4, 4104, Beijing Patentee before: Beijing Chaos Electronic Technology Co., Ltd. |